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Snapper LT18400 (2690404) lawn tractor

Snapper LT18400 (2690404) lawn tractor Parts

Here are the diagrams and repair parts for Snapper LT18400 (2690404) lawn tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for LT18400 (2690404) Riding Mowers & Tractors

  • Snapper Rod Washer for Snapper LT18400 (2690404) - Part 1720704

    Height adjustment/roller bar diagram

    Snapper Rod Washer

    Part #1720704

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Dshbrd-blk for Snapper LT18400 (2690404) - Part 1726894

    Hood/grille/dash diagram

    Snapper Dshbrd-blk

    Part #1726894

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Spring for Snapper LT18400 (2690404) - Part 1708684

    Transmission service parts diagram

    Snapper Spring

    Part #1708684

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Washer, Spring, 5/16 X 1-1/4 (2) for Snapper LT18400 (2690404) - Part 1709256A

    Seat/seat deck diagram

    Snapper Washer, Spring, 5/16 X 1-1/4 (2)

    Part #1709256A

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Pulley, Drive 6 for Snapper LT18400 (2690404) - Part 1732123

    Housing/arbors/blades diagram

    Snapper Pulley, Drive 6

    Part #1732123

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Brake Latch for Snapper LT18400 (2690404) - Part 1721354A

    Controls diagram

    Snapper Brake Latch

    Part #1721354A

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Compression Spring for Snapper LT18400 (2690404) - Part 2162084

    Lift-manual lift diagram

    Snapper Compression Spring

    Part #2162084

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Riding Lawn Mower Housing for Snapper LT18400 (2690404) - Part 1687154

    Snapper Riding Lawn Mower Housing

    Part #1687154

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Harness for Snapper LT18400 (2690404) - Part 1730192

    Electrical diagram

    Snapper Harness

    Part #1730192

    The manufacturer no longer makes this part, and there's no substitute part

  • Snapper Belt Guide for Snapper LT18400 (2690404) - Part 1722175A

    40" mower deck-belt/idler arm/hitch diagram

    Snapper Belt Guide

    Part #1722175A

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Main causes: faulty battery, bad alternator…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the starter solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key.…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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